26320523 has 2 divisors, whose sum is σ = 26320524. Its totient is φ = 26320522.

The previous prime is 26320513. The next prime is 26320537. The reversal of 26320523 is 32502362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26320523 - 2⁴ = 26320507 is a prime.

It is not a weakly prime, because it can be changed into another prime (26320513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13160261 + 13160262.

It is an arithmetic number, because the mean of its divisors is an integer number (13160262).

Almost surely, 2^26320523 is an apocalyptic number.

26320523 is a deficient number, since it is larger than the sum of its proper divisors (1).

26320523 is an equidigital number, since it uses as much as digits as its factorization.

26320523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 26320523 is about 5130.3531067559. The cubic root of 26320523 is about 297.4620077181.

Adding to 26320523 its reverse (32502362), we get a palindrome (58822885).

The spelling of 26320523 in words is "twenty-six million, three hundred twenty thousand, five hundred twenty-three".